$HTWR is one of biggest losers #stocks today. read more:

Heartware International, Inc. (symbol: HTWR) was one of the worst losers of
the trading day today (2016-03-03), losing -10.51%. The number of shares
that changed hands was 1,291,952, or about 2 times the average daily volume
in the stock.
The closing price was $29.98, amounting to a market cap of $519,430,000,
about -68.64% off the highest price in the last 12 months. The stock has
been trading at a range between $25.02 and $95.59.
HTWR is in the Medical/Dental Instruments industry, part of the Health Care
sector.